BESTSUN LED Flashlight Waterproof Portable Cree XM-L Headlamp Neutral White Smart user interface provides fast and easy access to all brightness levels and beacon-strobes. Precision machined unibody casing from premium grade aluminum bar stocks Proprietary heat sinking design bonds the LED board directly to the unibody aluminum casing Tempered optical grade glass Waterproof to IPX7 (2 meters, 30 minutes)